/Engine/Plugins/Runtime/RigVM/Source/RigVM/Public/RigVMCore/RigVM.h
Deprecated* Please use AddExternalVariable with ExtendedExecuteContext parameter.
[FRigVMOperand](API\Plugins\RigVM\RigVMCore\FRigVMOperand) AddExternalVariable ( const [FRigVMExternalVariable](API\Plugins\RigVM\RigVMCore\FRigVMExternalVariable) & InExternalVariable )